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RFC 6951
Title: UDP Encapsulation of Stream Control
Transmission Protocol (SCTP) Packets for End-Host
to End-Host Communication
Author: M. Tuexen, R. Stewart
Status: Standards Track
Stream: IETF
Date: May 2013
Mailbox: tuexen at fh-muenster.de,
randall at lakerest.net
Pages: 12
Characters: 25676
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-tsvwg-sctp-udp-encaps-14.txt
URL: http://www.rfc-editor.org/rfc/rfc6951.txt
This document describes a simple method of encapsulating Stream
Control Transmission Protocol (SCTP) packets into UDP packets and its
limitations. This allows the usage of SCTP in networks with legacy
NATs that do not support SCTP. It can also be used to implement SCTP
on hosts without directly accessing the IP layer, for example,
implementing it as part of the application without requiring special
privileges.
Please note that this document only describes the functionality
required within an SCTP stack to add on UDP encapsulation, providing
only those mechanisms for two end-hosts to communicate with each
other over UDP ports. In particular, it does not provide mechanisms
to determine whether UDP encapsulation is being used by the peer, nor
the mechanisms for determining which remote UDP port number can be
used. These functions are out of scope for this document.
This document covers only end-hosts and not tunneling (egress or
ingress) endpoints.
This document is a product of the Transport Area Working Group Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements. Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol. Distribution of this memo is unlimited.
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